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package uno;

import java.io.*;

public class Forest implements Serializable {

    private Tree tree = new Tree();

    public static void main(String[] args) {
        Forest f = new Forest();
        try {
            FileOutputStream fs = new FileOutputStream("Forest.ser");
            ObjectOutputStream os = new ObjectOutputStream(fs);
            os.writeObject(f);
            os.close();
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}

class Tree {
}
